提交没反应,不知道正不正确
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
while(num>=0)
{
num=num/10;
count++;
}
System.out.println("它是个"+count+"位的数!");
}
}
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
while(num>=0)
{
num=num/10;
count++;
}
System.out.println("它是个"+count+"位的数!");
}
}
2018-11-21
举报